Clay-free wellbore fluid

Details Clay-free wellbore fluid Clay-free wellbore fluid

1978-05-01

1979-10-30

Guynn, Herbert B.

Compositions

Leather or fur treating

252 85C, 252 855R, C09K 702

Patent

active

041728017

ABSTRACT:
A clay-free, i.e., non-argillaceous brine wellbore fluid having unstructured viscosity and improved water loss properties from an additive composition present in an amount of 0.1 to 3 weight % based on wellbore fluid and consisting essentially of 15 to 95 weight % of guar gum or hydroxyalkyl guar gum and 5 to 85 weight % of a water soluble salt, preferably alkaline earth salt of lignosulfonate.

REFERENCES:
patent: 2908597 (1959-10-01), Owen
patent: 3677961 (1972-07-01), Browning et al.
patent: 3988246 (1976-10-01), Hartfiel
patent: 4003838 (1977-01-01), Jackson et al.

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